. _:b76679713 . _:b76679713 "WoRMS id" . "Valvatacea" . "Valvatacea" . "Valvatacea" . . "582528" . _:b76679713 . "Valvatacea Blake, 1987" . "Blake, 1987" . . . . . _:b76679713 . . . . . "836085" . . _:b76679713 "582528" .